InChI=1S/C24H28O9/c1-3-23(13-5-9-15(25)10-6-13)24(4-2,33-23)14-7-11-16(12-8-14)31-22-19(28)17(26)18(27)20(32-22)21(29)30/h5-12,17-20,22,25-28H,3-4H2,1-2H3,(H,29,30)